Setting method and device for continuously gradual periodical wide band omnibearing all-medium reflector

An all-dielectric and reflector technology, applied in instruments, nonlinear optics, optics, etc., can solve problems such as incompatibility, increased structural complexity, and no omnidirectional energy gap
CN1527100AInactive Publication Date: 2004-09-08NANJING UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING UNIV
Publication Date
2004-09-08
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention is the setting method and device of continuously gradual periodical wide-band omnibearing all-medium reflector. On transparent material substrate, two kinds of optical dielectric material of different refractive indexes are covered periodically in the periodical gradual change amount of 0.005-0.03 and period number of 10-200. The structure features that common dielectric material combination, such as TiO2 / SiO2, is used to develop wide-band omnibearing reflector for visible light and infrared band application. This kind of device can ensure p component and s component of light wave in all incident angles and reflective rate near 100 % in relatively wide frequency range. The present invention has attractive application foreground in optical device and light communication field.
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Description

1. Technical field

[0001] The invention belongs to the field of new materials and new technologies, and mainly relates to the use of the localization effect of photon propagation in a novel one-dimensional dielectric microstructure, and relates to a one-dimensional photon full bandgap structure and a continuous gradient period all-dielectric lossless broadband omnidirectional reflection device setting method and device. 2. Background technology

[0002] In the technical fields of integrated photonic devices and optical communications in the future, photonic bandgap materials and structures (photonic crystals) will occupy a very important position. It is an artificial microstructure material that confines and conducts photons with a periodic distribution of dielectric constant. . Although the one-dimensional photonic bandgap material has been widely used in the fields of microelectronics and optoelectronics such as semiconductor lasers, due to the limited space period of its...

Claims

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